Finding the Fourth Proportional to 3,904,000.35, 5,380,217.88 and 2,814,415.08
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Solution
The fourth proportional to 3,904,000.35, 5,380,217.88 and 2,814,415.08 is: 3,878,628.32
Step by Step Solution
- Step 1: Write the proportion equation
3,904,000.35 : 5,380,217.88 = 2,814,415.08 : x - Step 2: Convert to fraction form
3,904,000.35/5,380,217.88 = 2,814,415.08/x - Step 3: Cross multiply
3,904,000.35x = 5,380,217.88 × 2,814,415.08 - Step 4: Simplify right side
3,904,000.35x = 15,142,166,335,157.63 - Step 5: Solve for x
x = 15,142,166,335,157.63/3,904,000.35 - Step 6: Final answer
x = 3,878,628.32
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.